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ST72632K1B1 Datasheet(PDF) 10 Page - STMicroelectronics

No. de pieza ST72632K1B1
Descripción Electrónicos  LOW SPEED USB 8-BIT MCU FAMILY with up to 16K MEMORY, up to 512 BYTES RAM, 8-BIT ADC, WDG, TIMER, SCI & I2C
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST72632K1B1 Datasheet(HTML) 10 Page - STMicroelectronics

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ST7263
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1.4 REGISTER & MEMORY MAP
As shown in Figure 5, the MCU is capable of ad-
dressing 64K bytes of memories and I/O registers.
The available memory locations consist of 192
bytes of register location, up to 512 bytes of RAM
and up to 16K bytes of user program memory. The
RAM space includes up to 64 bytes for the stack
from 0100h to 013Fh.
The highest address bytes contain the user reset
and interrupt vectors.
IMPORTANT:
Memory
locations
noted
“Re-
served” must never be accessed. Accessing a re-
served area can have unpredictable effects on the
device
Figure 5. Memory Map
* Program memory and RAM sizes are product dependent (see Table 1 Device Summary)
Table 3. Interrupt Vector Map
* If the peripheral is present on the device (see Table 1 Device Summary)
Vector Address
Description
Masked by
Remarks
Exit from Halt Mode
FFF0-FFF1h
FFF2-FFF3h
FFF4-FFF5h
FFF6-FFF7h
FFF8-FFF9h
FFFA-FFFBh
FFFC-FFFDh
FFFE-FFFFh
USB Interrupt Vector
SCI Interrupt Vector*
I2C Interrupt Vector*
TIMER Interrupt Vector
IT1 to IT8 Interrupt Vector
USB End Suspend Mode Interrupt Vector
TRAP (software) Interrupt Vector
RESET Vector
I- bit
I- bit
I- bit
I- bit
I- bit
I- bit
none
none
Internal Interrupt
Internal Interrupt
Internal Interrupt
Internal Interrupt
External Interrupts
Internal Interrupt
CPU Interrupt
No
No
No
No
Yes
Yes
No
Yes
0000h
Interrupt & Reset Vectors
HW Registers
0040h
003Fh
(see
Table
4
FFEFh
FFF0h
FFFFh
(see Table 3 on page 10)
C000h
BFFFh
F000h
Program Memory*
512 Bytes RAM*
8K Bytes
4K Bytes
E000h
Short Addressing
Stack (64 Bytes)
0100h
0040h
00FFh
013Fh
Reserved
0240h
023Fh
RAM (192 Bytes)
16K Bytes
256 Bytes RAM*
Short Addressing
Stack (64 Bytes)
0100h
0140h
023Fh
0040h
00FFh
013Fh
16-bit Addressing RAM
RAM (192 Bytes)
(256 Bytes)


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